Products Description
FRP/GRP glass fiber cable trays and cable ladders are made of glass-reinforced polymer composite materials and adopt a heavy-duty, non-conductive cable management design, which can effectively resist severe atmospheric corrosion and heavy-load structural stress. Combined with advanced pultrusion and compression molding technologies, compared with hot-dip galvanized or stainless steel networks, it has excellent strength-to-weight ratio. Its sturdy structural design can provide continuous protection for high-voltage power transmission lines, control systems, and sensitive instrument cables, and is a protective solution for ships, offshore petrochemical, and corrosive industrial processing facilities.
Products Advantages
High density & light weight
The structural profiles utilize high-density continuous fiberglass reinforcements embedded within a thermosetting resin matrix. The ladder and tray systems to carry substantial cable weight over extended support intervals without permanent deformation or sagging, while weighing up to 80% less than equivalent steel alternatives.
01
Corrosion resistance
The outer surface integrates a synthetic surfacing veil that seals the structural glass fibers away from ambient sulfur dioxide, salt spray, caustic washdowns, and high industrial humidity.
02
Non-conductive property
The inherent non-conductive properties of glass fiber reinforced plastic can eliminate the risks of electric shock, stray current propagation, and short-circuit grounding. It eliminates the problem of electrical continuity and eliminates the need for the expensive labor, copper wiring jumpers and grounding grid infrastructure required by traditional networks.
03
High Thermal Stability and Flame Retardance
The compound utilizes advanced halogen-free flame-retardant additive packages that pass rigorous international safety standards. The finished components exhibit self-extinguishing capabilities, creating an effective thermal barrier that prevents flame propagation along cable runs while maintaining structural load integrity across wide temperature variations.
04
Low Maintenance and Easy Field Integration
The anti-corrosive properties eliminate the need for secondary coatings, sandblasting, or routine preventative painting throughout the product life cycle. Jobsite adjustments are executed rapidly using standard mechanical hand tools without releasing dangerous sharp edges, creating a safe installation environment without hot-work welding permits.
05
Specification
|
Technical Property Item |
Industrial Standard Compliance & Quantified Value |
|
Product Classification |
Pultruded or Compression Molded FRP/GRP Fastener-Free Structural Systems |
|
Resin Matrix Configurations |
• Grade A: Flame-Retardant Isophthalic Polyester (Standard Industrial/Marine) |
|
Reinforcement System |
E-Glass continuous roving, multi-directional continuous strand mats, and synthetic surfacing veils |
|
NEMA FG1 Load Class |
Verified to NEMA FG1 Class 20C / Class 12C (Sustains 100 lbs/ft working load over a 20-ft span with a 1.5 safety factor) |
|
Flammability & Fire Safety |
• UL 94 Vertical Burning: V-0 Certified |
|
Dimensional Size Range |
• Widths: 100 mm, 150 mm, 200 mm, 300 mm, 450 mm, 600 mm, 900 mm |
|
Structural Profile Styles |
• Trough: Solid bottom with smooth interior for delicate fiber-optic shielding |
|
Mechanical Strength Profile |
• ASTM D638 Tensile Strength: Longitudinal ≥ 250 MPa / Transverse ≥ 70 MPa |
Product Applications
Offshore Drilling Platforms and Marine Vessels
These GRP Cable Trays secure critical power, control, and marine instrumentation cables throughout exposed decks and service catwalks, avoiding the premature rust degradation that compromises steel infrastructure.
Chemical Processing Plants and Refineries
The vinyl ester composite matrix maintains structural load performance directly above processing vaults, acid storage tanks, and aggressive chemical dosing stations, ensuring extended plant operational longevity.
Water Treatment Facilities and Mining Rigs
Moist, corrosive air in aeration basins and mining shafts rapidly degrades metal structures. Pultruded ladders route heavy motor control cables through damp industrial basements, providing reliable power distribution immune to moisture and aggressive sludge.
Enclosed Transit Corridors and Power Stations
These non-metallic containment profiles support critical infrastructure cables,(Mass transportation tunnels),resisting high wind pressures and train-induced vibrations while providing non-conductive insulation to protect maintenance personnel from stray currents.
FAQ
Q: What is the specific engineering distinction between selecting a pultruded ladder versus a solid trough configuration?
A: Cable ladders provide maximum cross-ventilation, which prevents heat buildup and optimizes the continuous current-carrying capacity of heavy high-voltage power lines. Solid bottom or perforated trays are selected for instrumentation and communication lines, providing continuous structural shielding against electromagnetic interference, falling debris, and localized mechanical damage.
Q: How does outdoor ultraviolet radiation affect the structural properties of these GRP tray networks?
A: The composite resin matrix is infused with specialized chemical UV inhibitors and carbon black stabilizers during the compounding stage. This built-in molecular shield reflects solar radiation, preventing the surface degradation, fiber blooming, and loss of tensile or flexural properties common in unprotected composite materials exposed to direct sunlight.
Q: Can these fiberglass tray systems be connected directly to existing metallic containment networks?
A: Yes, the system is fully adaptable for mixed-material expansions. Connection joints utilize specialized transitional hardware and non-metallic splice plates to bridge the systems smoothly, though design engineers must verify that the supporting structure accounts for the differing thermal expansion behaviors between the fiberglass and the existing metal runs.
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